package com.examlpe.rabbitmqextendemo.config;

import org.springframework.amqp.core.ReturnedMessage;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.connection.CorrelationData;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class RabbitMQTemplateConfig {
    @Bean
    public RabbitTemplate rabbitTemplate(ConnectionFactory connectionFactory) {
        RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory);
        return rabbitTemplate;
    }
    @Bean
    public RabbitTemplate confirmRabbitTemplate(ConnectionFactory connectionFactory) {
        RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory);
        //设置回调方法
        rabbitTemplate.setConfirmCallback(new RabbitTemplate.ConfirmCallback() {
            @Override
            public void confirm(CorrelationData correlationData, boolean ack, String cause) {
                System.out.println("执行了confirm方法");
                if(ack) {
                    System.out.printf("接收到消息,消息ID：%s \n",correlationData == null ? null:correlationData.getId());
                }else {
                    System.out.printf("未接收到消息,消息ID：%s, case: %s \n",correlationData == null ? null:correlationData.getId(),cause);
                }
            }
        });
        //消息退回时
        rabbitTemplate.setMandatory(true);
        rabbitTemplate.setReturnsCallback(new RabbitTemplate.ReturnsCallback() {
            @Override
            public void returnedMessage(ReturnedMessage returnedMessage) {
                System.out.println("消息退回："+returnedMessage);
            }
        });
        return rabbitTemplate;
    }
}
